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Grain‐Boundary and Grain Electrical Resistances in CoxFe3−xO4

 

作者: António R. Ferreira,   Carlos S. Furtado,   João M. Perdigão,  

 

期刊: Journal of the American Ceramic Society  （WILEY Available online 1992）
卷期: Volume 75, issue 6  

页码: 1708-1711

 

ISSN:0002-7820

 

年代: 1992

 

DOI:10.1111/j.1151-2916.1992.tb04254.x

 

出版商: Blackwell Publishing Ltd

 

关键词: ferrites;electrical properties;grain boundaries;resistance;cobalt

 

数据来源: WILEY

 

摘要:

The complex impedance analysis technique was used to separate the grain‐boundary and grain impedances of ferrites of the system CoxFe3−xO4. All the samples, forx= 0.886, 0.960, 0.980, 0.995, 0.999, 1.005, 1.011, 1.021, 1.041, and 1.126, were fabricated by the traditional routine under the same conditions of preparation and sintering. The variations of both grain‐boundary and grain resistances with temperature were evaluated in the frequency range 100 Hz

 

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